Datasheet

1
Inductive sensor NBB20-U1-Z2
Release date: 2018-11-13 10:56 Date of issue: 2018-11-13 203044_eng.xml
Germany: +49 621 776 4411Pepperl+Fuchs Group
Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.
USA: +1 330 486 0001 Singapore: +65 6779 9091
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S
Model Number
NBB20-U1-Z2
Features
Sensor head bidirectional and
rotatable
20 mm flush
•2-wire DC
2 LEDs indicator for 360° visibility
Accessories
V1-M20-80
Receptacles, M12/M20; plastic version
MHW 01
Modular mounting bracket
MH 04-2681F
Mounting aid for VariKont, +U1+ and +U9*
Technical Data
General specifications
Switching function Normally open/closed (NO/NC)
Output type Two-wire
Rated operating distance s
n
20 mm
Installation flush
Output polarity DC
Assured operating distance s
a
0 ... 16.2 mm
Actual operating distance s
r
18 ... 22 mm typ. 20 mm
Reduction factor r
Al
0.3
Reduction factor r
Cu
0.3
Reduction factor r
304
0.7
Output type 2-wire
Nominal ratings
Operating voltage U
B
5 ... 60 V DC
Switching frequency f 0 ... 250 Hz
Hysteresis H typ. 5 %
Reverse polarity protection reverse polarity tolerant
Short-circuit protection yes
Voltage drop U
d
5 V
Voltage drop at I
L
Voltage drop I
L
= 100
mA, switching
element on U
d
... 5 V
Operating current I
L
2 ... 200 mA
Off-state current I
r
0 ... 0.5 mA
Switching state indicator 2 LED, yellow
Functional safety related parameters
MTTF
d
1162 a
Mission Time (T
M
) 20 a
Diagnostic Coverage (DC) 0 %
Ambient conditions
Ambient temperature -25 ... 85 °C (-13 ... 185 °F)
Mechanical specifications
Connection type screw terminals
Information for connection A maximum of two conductors with the same core cross section
may be mounted on one terminal connection!
tightening torque 1.2 Nm + 10 %
Core cross-section up to 2.5 mm
2
Minimum core cross-section
without wire end ferrule 0.5 mm
2
, with connector sleeves 0.34 mm
2
Maximum core cross-section
without wire end ferrule 2.5 mm
2
, with connector sleeves 1.5 mm
2
Housing material PA/metal with epoxy powder coating
Sensing face PA
Housing base plastic
Degree of protection IP68 / IP69K
Mass 225 g
Note Tightening torque: 1.8 Nm (housing)
Compliance with standards and
directives
Standard conformity
Standards
EN 60947-5-2:2007
EN 60947-5-2/A1:2012
IEC 60947-5-2:2007
IEC 60947-5-2 AMD 1:2012
Approvals and certificates
EAC conformity TR CU 020/2011
UL approval cULus Listed, General Purpose
CCC approval Certified by China Compulsory Certification (CCC)
Dimensions
6046
118
30
40
40
LED ye
LED ye
LED gn
5.3
M20 x 1.5

Summary of content (2 pages)